fix: fix shared workflow bug

Author: wislertt

.github/workflows/shared-check-pr-label-and-branch.yml

@@ -63,7 +63,7 @@ jobs:
                   fi
 
                   # Use jq to check if the label exists in the labels array
-                  HAS_LABEL=$(echo '$LABELS_JSON' | \
+                  HAS_LABEL=$(echo "$LABELS_JSON" | \
                     jq --arg target "$TARGET_LABEL" \
                     '[.[] | select(.name == $target)] | length > 0')